.page{
    width: 100%;
    text-align: center;
    font-family: 宋体;
    font-weight: bold;
}
.page>div>input{
    width: 50px;

}
.page>div>input:hover{
    border: 2px solid black;
}
.page a{
    text-decoration: none;
    border: 1px solid black;
}